Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
537
FWUS41 KGYX 150930
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EST MON DEC 15 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER OV BK OV OV OV BK OV OV BK SC SC BK OV OV OV BK BK
CLOUD COVER (%) 70 65 75 70 70 70 75 70 55 30 35 55 75 70 70 65 50
TEMPERATURE -8 -7 -5 -4 -3 0 0 1 3 6 10 9 11 12 16 16 16
MAX/MIN TEMP -2 -4 16 7
WIND CHILL -46 -45 -41 -40 -39 -33 -30 -27 -23 -17 -10 -14 -10 -10 -6 -7 -7
WIND DIR NW NW NW NW NW W W W W W W W SW SW SW SW SW
WIND (MPH) 69 72 65 66 67 58 47 39 35 26 24 29 26 32 36 40 42
WIND GUST (MPH) 95 100 90 92 87
PRECIP PROB (%) 10 5 5 0 10 10 10 5 5 0 0 0 0 0 0 5 5
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.1 0.4
SNOW RATIO (:1) 18 17 16 16 17 17 18 19 19 18 14 13 12 9 6 5 5
SNOW DENSITY (%) 5 5 6 6 5 5 5 5 5 5 7 7 8 11 16 20 20
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER OV OV OV OV OV OV OV OV BK SC SC BK OV OV OV BK BK
CLOUD COVER (%) 75 75 80 75 75 75 85 80 65 35 35 55 75 75 70 70 55
TEMPERATURE -2 0 4 4 4 7 8 9 8 12 16 13 12 13 15 16 17
MAX/MIN TEMP 5 3 17 12
WIND CHILL -27 -26 -20 -19 -19 -14 -11 -8 -10 -2 3 -3 -1 -1 0 2 3
WIND DIR NW NW NW NW NW W W W W W W W S S S S S
WIND (MPH) 26 29 28 26 26 23 18 14 16 11 11 14 10 12 13 13 13
WIND GUST (MPH) 47 52 50 47 44
PRECIP PROB (%) 10 5 0 0 20 20 10 5 5 0 0 0 0 0 0 5 5
PRECIP TYPE S S
6 HOUR QPF 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.1
SNOW RATIO (:1) 19 18 18 18 19 19 19 20 20 17 14 13 11 8 4 4 4
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 7 7 9 12 25 25 25
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK BK BK BK BK BK OV BK BK SC SC BK OV OV OV BK SC
CLOUD COVER (%) 55 55 70 65 65 65 70 65 50 25 30 50 75 70 70 65 50
TEMPERATURE -1 2 5 4 4 7 8 10 9 13 17 13 13 14 16 17 17
MAX/MIN TEMP 6 3 18 12
WIND CHILL -27 -24 -19 -21 -20 -15 -11 -7 -8 -1 4 -2 1 0 2 2 2
WIND DIR NW NW NW NW NW NW NW W W W W W SW SW SW SW SW
WIND (MPH) 29 33 31 31 29 26 19 16 16 11 11 13 9 11 13 14 14
WIND GUST (MPH) 52 57 54 54 49 43
PRECIP PROB (%) 5 5 0 0 10 10 10 5 5 0 0 0 0 0 0 5 5
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.1 0.4
SNOW RATIO (:1) 19 17 16 16 17 18 18 19 19 18 14 13 12 8 4 3 3
SNOW DENSITY (%) 5 5 6 6 5 5 5 5 5 5 7 7 8 12 25 33 33
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER OV BK OV OV OV OV OV OV BK SC SC BK OV OV OV BK BK
CLOUD COVER (%) 70 70 75 70 75 70 80 75 60 35 35 55 75 70 70 65 50
TEMPERATURE 1 3 8 7 6 8 10 11 11 16 20 17 14 15 17 18 19
MAX/MIN TEMP 9 5 21 14
WIND CHILL -20 -18 -11 -11 -11 -6 -2 0 0 7 11 9 3 3 5 5 6
WIND DIR NW NW NW NW NW W W W W W W W S SW SW SW SW
WIND (MPH) 19 20 19 16 13 10 8 6 6 5 6 5 8 9 10 11 12
WIND GUST (MPH) 36 37 36
PRECIP PROB (%) 10 5 5 0 20 20 10 5 5 0 0 0 0 0 0 5 5
PRECIP TYPE S S
6 HOUR QPF 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.2 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2
SNOW RATIO (:1) 19 17 17 17 18 18 19 20 20 18 14 13 11 8 3 3 3
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 7 7 9 12 33 33 33
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER SC BK OV BK BK BK OV BK SC FW SC BK OV OV BK BK SC
CLOUD COVER (%) 50 50 70 65 65 65 70 65 45 25 30 50 75 70 65 65 50
TEMPERATURE 1 5 8 8 6 8 9 10 10 16 20 18 14 14 15 16 17
MAX/MIN TEMP 9 5 21 13
WIND CHILL -20 -15 -11 -11 -13 -9 -6 -3 -4 5 11 8 5 4 4 4 5
WIND DIR NW NW NW NW NW NW W W W W W W SW SW SW SW SW
WIND (MPH) 18 19 19 18 17 14 11 9 10 8 6 8 5 6 8 9 10
WIND GUST (MPH) 36 36
PRECIP PROB (%) 0 0 0 0 5 5 5 5 5 0 0 0 0 0 0 5 5
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1
SNOW RATIO (:1) 19 17 16 17 18 18 19 20 19 17 14 12 10 6 3 3 3
SNOW DENSITY (%) 5 5 6 5 5 5 5 5 5 5 7 8 10 16 33 33 33
...MOUNT OSCEOLA (4340 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER BK BK OV BK BK BK OV BK SC FW SC BK OV OV BK BK SC
CLOUD COVER (%) 55 55 70 65 65 65 75 70 50 25 30 55 75 70 65 65 50
TEMPERATURE -1 1 4 4 4 7 7 8 8 12 16 14 11 12 13 14 14
MAX/MIN TEMP 5 3 17 11
WIND CHILL -28 -25 -20 -20 -20 -15 -13 -10 -10 -3 2 -1 -3 -3 -3 -1 -2
WIND DIR NW NW NW NW NW NW W W W W W W SW SW SW SW SW
WIND (MPH) 31 32 29 28 29 25 19 16 16 12 12 13 11 13 14 14 16
WIND GUST (MPH) 54 56 52 50 48
PRECIP PROB (%) 5 0 0 0 5 5 5 5 5 0 0 0 0 0 0 0 5
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1
SNOW RATIO (:1) 20 17 17 18 18 18 19 20 19 17 14 12 11 8 4 4 3
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 7 8 9 12 25 25 33
...CANNON MOUNTAIN (4080 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER OV OV OV OV OV OV OV OV BK SC SC BK OV OV OV BK BK
CLOUD COVER (%) 75 75 80 70 75 75 85 75 60 35 35 60 75 75 70 70 60
TEMPERATURE -2 0 4 4 5 7 8 9 8 11 15 13 14 14 15 16 17
MAX/MIN TEMP 6 4 17 14
WIND CHILL -28 -26 -20 -20 -18 -14 -11 -8 -9 -3 1 -2 -1 -2 -1 0 1
WIND DIR NW NW NW NW NW W W W W W W W S S S S S
WIND (MPH) 27 29 27 27 27 23 18 14 14 11 12 13 13 16 17 17 17
WIND GUST (MPH) 49 52 49 49
PRECIP PROB (%) 20 10 0 0 20 10 10 5 5 0 0 0 0 0 0 5 5
PRECIP TYPE S S
6 HOUR QPF 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.1
SNOW RATIO (:1) 19 18 18 19 20 19 20 20 20 17 14 13 11 8 4 4 4
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 7 7 9 12 25 25 25
...BALDFACE MOUNTAIN (3547 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER SC SC BK BK BK BK BK BK SC FW FW SC OV OV BK BK SC
CLOUD COVER (%) 35 45 65 65 60 50 55 55 30 15 25 50 70 70 70 65 50
TEMPERATURE 4 8 11 10 8 11 11 11 12 18 22 19 15 15 17 17 18
MAX/MIN TEMP 12 7 23 14
WIND CHILL -16 -10 -6 -5 -7 -2 0 2 3 11 16 6 6 9 8 9
WIND DIR NW NW NW NW NW W W W W W SW SW SW SW SW SW SW
WIND (MPH) 18 17 16 12 11 9 6 5 5 4 4 3 5 5 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 5
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.4
SNOW RATIO (:1) 19 17 17 17 17 18 19 20 19 17 14 13 11 6 3 3 3
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 7 7 9 16 33 33 33
...MOUNT MOOSILAUKE (4802 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
TIME (LT) 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A
CLOUD COVER OV BK OV BK OV BK OV OV BK SC SC BK OV OV BK BK BK
CLOUD COVER (%) 75 70 75 70 70 65 75 75 55 30 35 60 70 70 70 70 60
TEMPERATURE -1 1 5 5 5 6 8 8 7 11 14 13 12 13 13 14 15
MAX/MIN TEMP 6 4 16 12
WIND CHILL -26 -23 -18 -17 -17 -14 -9 -8 -10 -3 1 -2 -2 -2 -3 -1 0
WIND DIR NW NW NW NW NW W W W W W W W S S S S S
WIND (MPH) 25 26 25 24 24 19 14 12 13 10 10 13 11 13 14 13 13
WIND GUST (MPH)
PRECIP PROB (%) 10 0 0 0 5 5 5 5 0 0 0 0 0 0 0 0 5
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1
SNOW RATIO (:1) 19 18 18 18 19 19 19 20 20 17 14 12 11 7 4 4 4
SNOW DENSITY (%) 5 5 5 5 5 5 5 5 5 5 7 8 9 14 25 25 25
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN